2. 医学
  3. Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few

Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few

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问题     Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few treatments that do work. Millions of Americans lie awake at night counting sheep or have a stiff drink or【C2】______a pill, hoping it will make them sleepy. But experts agree all that self-medicating is a bad idea, and the causes of chronic insomnia remain【C3】______.
    Almost a third of adults have trouble sleeping, and about 10 percent have symptoms of daytime【C4】______that signal true insomnia. But【C5】______the complaints, scientists know surprisingly little about what causes chronic insomnia, its health consequences and how best to treat it, a panel of specialists brought together by the National Institutes of Health concluded Wednesday. The panel called for a broad range of research into insomnia,【C6】______that if scientists understood its【C7】______causes, they could develop better treatments.
    Most, but not all, insomnia is thought to accompany other health problems, from arthritis and depression to cardiovascular disease. The question often is whether the insomnia came first or was a result of the other diseases and how trouble sleeping【C8】______complicates those other problems. Other diseases aside, the risk of insomnia seems to increase with age and to be more common among women, especially after their 50s. Smoking, caffeine and numerous【C9】______drugs also affect sleep.
    The NIH is spending about $200 million this year on sleep-related research, some【C10】______to specific disorders and others examining the underlying scientific laws that control the nervous system of sleep. The agency was awaiting the panel’s review before deciding what additional work should be directed at insomnia.
【C9】
选项 A、subscription
B、ascription
C、conscription
D、prescription
答案D
解析 本句提到影响睡眠的其他因素，例如年龄、性别、吸烟、咖啡因以及药物。空白处需要一个形容词修饰药物，与药物相关的词仅有prescription，表示“处方药”。subscription的含义是“订阅”；ascription的含义是“归属”；conscription的含义为“征兵，征用”。
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